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Engineering Materials

Engineering Materials
Dislocations in materials refer to the following type of defect

Point defect
Line defect
Volumetric defect
Plane defect

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Engineering Materials
Delta-iron occurs between the temperature ranges of

400°C to 600°C
1400°C to 1530°C
600°C to 900°C
900°C to 1400°C

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Engineering Materials
Addition of copper to aluminium results in

Improving machinability
One of the best known age and precipitation hardening systems
Improvement of corrosion resistance
Improvement of casting characteristics

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Engineering Materials
Shock resistance of steel is increased by adding

Nickel
Chromium
Nickel and chromium
Sulphur, lead and phosphorus

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Engineering Materials
The metal suitable for bearings subjected to heavy loads, is

Phosphor bronze
White metal
Monel metal
Silicon bronze

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Engineering Materials
Grey cast iron has

Low compressive strength
High tensile strength
All of these
Carbon in the form of free graphite

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